Man serving life sentence admits to 1990 Missouri slaying

FILE - This March 20, 2020, photo provided by the Missouri Department of Corrections shows Gary Muehlberg. On Monday, March 6, 2023, the 73-year-old man who is imprisoned in one killing and suspected in at least four others in the St. Louis area pleaded guilty to killing one woman in 1990. (Missouri Department of Corrections via AP, File)

ST. CHARLES, Mo. (AP) — A prisoner who has been behind bars for decades for a St. Louis-area killing has pleaded guilty to one of four other deaths he has been linked to by prosecutors.

Gary Muehlberg, 73, pleaded guilty to first-degree murder and was sentenced to life in prison Monday in the 1990 death of 21-year-old Sandy Little, the St. Louis Post-Dispatch .

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